Preparation of monolithic transparent mesoporous silica and mesoporous onion-like carbon

被引：1

作者：

Chen, Aibing ^{[1
]}

Zang, Wenwei ^{[1
]}

Liu, Chao ^{[2
]}

Wang, Yanyan ^{[1
]}

Jia, Manling ^{[1
]}

Li, Bo ^{[1
]}

Yu, Yifeng ^{[1
]}

机构：

[1] Hebei Univ Sci & Technol, Coll Chem & Pharmaceut Engn, Yuhua Rd 70, Shijiazhuang 050018, Peoples R China

[2] Shijiazhuang Univ, Coll Gemmol & Mat Tech, Shijiazhuang 050031, Peoples R China

来源：

ADVANCED MATERIALS AND PROCESSES II, PTS 1-3 | 2012年 / 557-559卷

基金：

中国国家自然科学基金;

关键词：

onion-like carbon; ionic liquids; nanocasting; monolithic silica;

D O I：

10.4028/www.scientific.net/AMR.557-559.1518

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Large-sized, crack-free silica monoliths have been fabricated by a fast and convenient way via EISA method using P123 as soft template and 1-hexadecyl-3-methylimidazolium bromide ([C16mim] Br) as additive. The hydrogen bonds formed between ILs and the silano groups of silica gel play crucial roles in the form of the bulk, transparent silica monolith. The mesoporous structure onion-like carbon monoliths were prepared with the transparent silica monolith as template via the nanocasting technique. The mesoporous silica and carbon monoliths have been characterized by the XRD, HRTEM, N-2 sorption and elemental analysis. The results reveal that pore diameter of the mesoporous carbon about 3.47nm, and the specific surface area of carbon with a nitrogen content of 4.2%, can be tuned from 408.2-629.0m(2)/g. HRTEM shows that this carbon material with nanoonions structure.

引用

页码：1518 / +

页数：2

共 9 条

[1] Facile Ionothermal Synthesis of Microporous and Mesoporous Carbons from Task Specific Ionic Liquids [J].